CN109660816B - Information processing method and device - Google Patents
Information processing method and device Download PDFInfo
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- CN109660816B CN109660816B CN201811369078.5A CN201811369078A CN109660816B CN 109660816 B CN109660816 B CN 109660816B CN 201811369078 A CN201811369078 A CN 201811369078A CN 109660816 B CN109660816 B CN 109660816B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
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Abstract
The invention provides an information processing method and device, which are applied to a video network. The method comprises the following steps: the service server receives a service operation instruction which is sent by the video networking terminal and is based on a video networking protocol, and analyzes the service operation instruction; if the service server analyzes the obtained service operation instruction to be a live broadcast issuing operation instruction, storing live broadcast information carried in the live broadcast issuing operation instruction; and if the service operation instruction obtained by the analysis of the service server is a live broadcast watching operation instruction, searching target live broadcast information from the stored live broadcast information, and returning the target live broadcast information to the video network terminal. According to the invention, the service server stores and releases the live broadcast information corresponding to the live broadcast video network terminal, the live broadcast video network terminal can acquire the corresponding live broadcast information from the service server, and the corresponding live broadcast is watched according to the live broadcast information, so that the live broadcast video network terminals do not need to communicate in advance to acquire the live broadcast information of the other side, the process is simpler and more convenient, and the user experience is improved.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to an information processing method and an information processing apparatus.
Background
With the rapid development of network technologies, users increasingly acquire various information through networks. For example, watching live broadcasts, conducting video conferences, making videophones, etc. over a network.
In the prior art, for the communication mode of watching live broadcast through a network, if a user watching a terminal wants to watch live broadcast video published by a certain publishing terminal, the user needs to communicate with the user of the publishing terminal first so as to obtain number information of the publishing terminal. And the user of the subsequent watching terminal searches and watches the live video released by the releasing terminal by inputting the number information of the releasing terminal.
However, before the user watching the live broadcast in the above manner, the user watching the terminal needs to communicate with the user publishing the terminal, the process is complex, and the convenience is poor, so that the user experience is reduced.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide an information processing method and a corresponding information processing apparatus that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses an information processing method, which is applied to a video network, where the video network includes a service server and a video network terminal, and the method includes:
the service server receives a service operation instruction which is sent by the video networking terminal and is based on a video networking protocol, and analyzes the service operation instruction;
if the service server analyzes the service operation instruction to obtain a live broadcast issuing operation instruction, storing live broadcast information carried in the live broadcast issuing operation instruction;
and if the service server analyzes the service operation instruction to obtain a live broadcast watching operation instruction, searching target live broadcast information from the stored live broadcast information, and returning the target live broadcast information to the video network terminal.
Optionally, the step of parsing the service operation instruction includes: the service server reads a service operation code from the service operation instruction; if the service operation code is an operation code representing the release of live broadcast, determining that the service operation instruction is a release live broadcast operation instruction; and if the service operation code is an operation code representing that the live broadcast is watched, determining that the service operation instruction is a live broadcast watching operation instruction.
Optionally, the live broadcast information includes a live broadcast status, and a live broadcast information database is further included in the video network; the step of saving the live broadcast information carried in the live broadcast issuing operation instruction comprises the following steps: the service server reads the live broadcast state from the live broadcast issuing operation instruction; if the live broadcast state is that the live broadcast is being released, the service server writes the live broadcast information into the live broadcast information database; and if the live broadcast state is the live broadcast stop, the service server updates the live broadcast state corresponding to the live broadcast information and stored in the live broadcast information database.
Optionally, the step of returning the target live broadcast information to the video network terminal includes: the service server generates an information transmission instruction which is based on a video networking protocol and carries the target live broadcast information; and the service server calls a preset information transmission interface and sends the information transmission instruction to the video networking terminal.
Optionally, the live information includes a live status; the step of searching the target live broadcast information from the stored live broadcast information comprises the following steps: and the service server searches the live broadcast information which is in the live broadcast state and is released from the stored live broadcast information as target live broadcast information.
On the other hand, the embodiment of the invention also discloses an information processing device, the device is applied to the video network, the video network comprises a service server and a video network terminal, and the service server comprises:
the analysis module is used for receiving a service operation instruction which is sent by the video networking terminal and is based on a video networking protocol, and analyzing the service operation instruction;
the storage module is used for storing live broadcast information carried in the live broadcast issuing operation instruction if the service operation instruction obtained by the analysis of the analysis module is a live broadcast issuing operation instruction;
and the return module is used for searching target live broadcast information from the stored live broadcast information and returning the target live broadcast information to the video network terminal if the service operation instruction obtained by the analysis of the analysis module is a live broadcast watching operation instruction.
Optionally, the parsing module includes: the first reading unit is used for reading the service operation code from the service operation instruction; the determining unit is used for determining that the service operation instruction is a live broadcast issuing operation instruction if the service operation code is an operation code representing live broadcast issuing; and if the service operation code is an operation code representing that the live broadcast is watched, determining that the service operation instruction is a live broadcast watching operation instruction.
Optionally, the live broadcast information includes a live broadcast status, and a live broadcast information database is further included in the video network; the saving module comprises: the second reading unit is used for reading the live broadcast state from the live broadcast issuing operation instruction; a writing unit, configured to write the live broadcast information into the live broadcast information database by the service server if the live broadcast status is that a live broadcast is being released; and the updating unit is used for updating the live broadcast state corresponding to the live broadcast information, which is stored in the live broadcast information database, by the service server if the live broadcast state is the release stop of the live broadcast.
Optionally, the return module comprises: the generating unit is used for generating an information transmission instruction which is based on a video networking protocol and carries the target live broadcast information; and the sending unit is used for calling a preset information transmission interface and sending the information transmission instruction to the video networking terminal.
Optionally, the live information includes a live status; the return module includes: and the searching unit is used for searching the live broadcast information of which the live broadcast state is the release live broadcast from the stored live broadcast information as target live broadcast information.
The embodiment of the invention is applied to live broadcast service based on video network, and the service server receives a service operation instruction based on a video network protocol and sent by a video network terminal and analyzes the service operation instruction; if the service server analyzes the obtained service operation instruction to be a live broadcast issuing operation instruction, storing live broadcast information carried in the live broadcast issuing operation instruction; and if the service operation instruction obtained by the analysis of the service server is a live broadcast watching operation instruction, searching target live broadcast information from the stored live broadcast information, and returning the target live broadcast information to the video network terminal. Therefore, in the embodiment of the invention, the service server stores and releases the live broadcast information corresponding to the live video network terminal, when the live video network terminal wants to watch the live broadcast, the corresponding live broadcast information can be obtained from the service server, and then the corresponding live broadcast is watched according to the live broadcast information, so that the live video network terminals do not need to communicate in advance to obtain the live broadcast information of the opposite side, the process is simpler and more convenient, and the user experience is improved.
Drawings
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 5 is a flowchart illustrating steps of a method for processing information according to a first embodiment of the present invention;
fig. 6 is a block diagram of an information processing apparatus according to a second embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
1. Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204;
the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;
wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the data packet coming from the CPU module 204 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the video networking destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
| DA | SA | Reserved | Payload | CRC |
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of data packets, and is 64 bytes if the data packet is a variety of protocol packets, and is 32+1024 or 1056 bytes if the data packet is a unicast data packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
| DA | SA | Reserved | label (R) | Payload | CRC |
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the characteristics of the video network, the information processing scheme provided by the embodiment of the invention follows the protocol of the video network, and simplifies the process of watching the live broadcast by the video network terminal.
Example one
The information processing method of the embodiment of the invention can be applied to the video network. The video network can comprise a service server, a video network server (which can be the node server), a video network terminal and a live broadcast information database.
The video network server is a core server in the video network, and devices (such as video network terminals, service servers and the like) accessing the video network are registered in the video network server in advance to perform video network services.
The video network terminal is a service landing device on the video network, and an actual participant or a server of the video network service. The video network terminal can comprise various conference set-top boxes, video telephone set-top boxes, operation trial set-top boxes and the like. And the video network terminal registers on the video network server so as to access the video network.
The service server can be a video network micro server deployed in a Linux system. The service server can be applied to live broadcast service of the video network and is used for receiving live broadcast information of the video network terminal, returning the live broadcast information to the video network terminal and the like. The service server can make up the defect that the 16-bit video network server cannot store the live broadcast information of the video network terminal. The service server may include a virtual terminal through which to register with the video network server for access to the video network.
The live broadcast information database can be applied to live broadcast services of the video network and is used for storing live broadcast information of the video network terminal. The service server can write the live broadcast information into the live broadcast information database and can also read the live broadcast information from the live broadcast information database.
The video network server and the video network terminal can perform bidirectional interaction based on a video network protocol. The video network server and the service server can perform bidirectional interaction based on a video network protocol. The video network terminal and the service server can perform bidirectional interaction based on a video network protocol.
Referring to fig. 5, a flowchart illustrating steps of an information processing method according to a first embodiment of the present invention is shown.
The information processing method of the embodiment of the invention can comprise the following steps:
In the live broadcast service of the video network, the video network terminal can send a service operation instruction to the service server based on the video network protocol. The service server analyzes the received service operation instruction, so that the type of the service operation instruction can be known, and corresponding operation is executed according to the service operation instructions of different types.
In the live broadcast service of the video network, the related video network terminals can comprise a video network terminal for publishing live broadcast and a video network terminal for watching the live broadcast. It should be noted that each video network terminal can be used as a video network terminal for publishing live broadcast, and can also be used as a video network terminal for watching live broadcast. And the video network terminals with different service types send different service operation instructions to the service server. This is described in detail below.
For the video network terminal issuing the live broadcast, information such as a live broadcast name, a live broadcast state, a video network number of the video network terminal and the like can be used as live broadcast information, and the live broadcast information is sent to a service server.
In the embodiment of the invention, the video network terminal issuing the live broadcast can generate the service operation instruction based on the video network transparent transmission protocol. In the video networking environment, the video networking transparent transmission protocol is capable of performing P2P (peer to peer) communication, so that bidirectional interaction between a video networking terminal and a service server can be performed based on the video networking transparent transmission protocol. In this case, the service operation instruction may include live broadcast information and service operation code. The live broadcast information can comprise information such as a live broadcast name, a live broadcast state, a video networking number of a video networking terminal and the like.
In the service operation instruction generated by the video network terminal issuing the live broadcast, the included service operation code may be an operation code representing the issuing of the live broadcast. In a service operation instruction generated by a video network terminal for issuing live broadcast, the live broadcast state comprises the following two conditions: the live broadcast is being published and the live broadcast is stopped. That is, if the video network terminal issuing the live broadcast starts to issue the live broadcast, the live broadcast name can be set, and the generated live broadcast state is the service operation instruction issuing the live broadcast; and if the video network terminal for releasing the live broadcast stops the live broadcast, generating a service operation instruction of which the live broadcast state is the stop of releasing the live broadcast.
In practical implementation, a terminal issuing the live video network may generate a service operation instruction based on the video network 0x8F85 transparent transmission protocol. In this case, the protocol specification of the transparent transmission protocol of the network of view 0x8F85 is shown in table one:
watch 1
Wherein, the field with the field number of 4 represents the service operation code, and the representation releases the live broadcast when the service operation code is 0x 5311. A field with a field number of 5 indicates a live state, 0x0001 indicates that a live broadcast is being released, and 0x0002 indicates that the live broadcast is stopped being released. The field with field number 8-30 represents live information.
In the embodiment of the invention, the live broadcasting publishing interface can be preset on the live broadcasting publishing video network terminal. The video network terminal for releasing the live broadcast can call the live broadcast releasing interface and send the service operation instruction to the service server. The interface design may be as follows:
if the video network terminal which issues the live broadcast initiates the live broadcast, a live broadcast initiating interface can be called, and the interface is designed as follows:
the application layer calls callSLW (type, const String8& num); type 4 indicates that the live broadcast is being released, and num indicates the video network number + the live broadcast name of the video network terminal.
Terminal bottom call v2v _ accept _ live _ action (int call _ number, char live _ name); call _ number represents the video network number of the video network terminal, and live _ name represents the live name.
If the video network terminal which issues the live broadcast stops the live broadcast, a live broadcast stopping interface can be called, and the interface is designed as follows:
the application layer calls callSLW (type, const String8& num); type 3 represents that the live broadcast is stopped, and num represents the video network number + the live broadcast name of the video network terminal.
The terminal bottom layer calls send _8f85_ stop _ live _ info (int live _ Number).
For the terminal of watching the live video network, the terminal can request corresponding live broadcast information from the service server. In the embodiment of the invention, the video network terminal for watching the live broadcast can generate the service operation instruction based on the video network transparent transmission protocol. In this case, the service operation instruction may include information such as a service operation code. In the service operation instruction generated by the video network terminal for watching the live broadcast, the included service operation code can be an operation code for representing the live broadcast watching.
In practical implementation, a terminal of the video network watching the live broadcast can generate a service operation instruction based on the video network 0x8F85 transparent transmission protocol. In this case, the protocol specification of the transparent transmission protocol of the network of view 0x8F85 is shown in table two:
watch two
Wherein, the field with the field number of 4 represents the service operation code, and the live broadcast is watched when the service operation code is 0x 5321.
In the embodiment of the invention, the live broadcast watching interface can be preset on the live broadcast watching video network terminal. The video network terminal for watching the live broadcast can call the live broadcast watching interface and send the service operation instruction to the service server. The interface design may be as follows:
the application layer calls callSLW (type, const String8& num); type 45 indicates that the corresponding live information is requested.
The terminal floor calls send _8f85_ get _ live _ info (call _ number).
The video network terminal may send the service operation instruction to the service server, and specifically may send the service operation instruction to a virtual terminal in the service server. After receiving the service operation instruction, the service server may analyze the service operation instruction so as to obtain the type of the service operation instruction.
In an optional implementation manner, the service server may determine what type of service operation instruction is according to a service operation code in the service operation instruction. Therefore, the process of parsing the service operation instruction by the service server may include: the service server reads the service operation code from the service operation instruction; if the service operation code is an operation code representing the release of live broadcast, determining that the service operation instruction is a release live broadcast operation instruction; and if the service operation code is an operation code representing that the live broadcast is watched, determining that the service operation instruction is a live broadcast watching operation instruction.
After receiving a service operation instruction based on the video networking protocol, the service operation instruction is in the form of a video networking protocol data packet, and the service server can perform operations such as decapsulation and the like on the video networking protocol data packet and read a service operation code from the video networking protocol data packet.
If the service server analyzes the service operation instruction to obtain a live broadcast issuing operation instruction, the video network terminal sending the service operation instruction can be known as the live broadcast issuing video network terminal, so that live broadcast information carried in the live broadcast issuing operation instruction can be stored in an independent thread.
According to the different live broadcast states included in the live broadcast information, the service server stores the live broadcast information in different modes. Therefore, the process of the service server storing and issuing the live broadcast information carried in the live broadcast operation instruction may include: the service server reads the live broadcast state from the live broadcast issuing operation instruction; if the live broadcast state is that the live broadcast is being released, the service server writes the live broadcast information into the live broadcast information database; and if the live broadcast state is the live broadcast stop, the service server updates the live broadcast state corresponding to the live broadcast information and stored in the live broadcast information database.
If the live broadcast state is the live broadcast being released, the service server can know that the live broadcast releasing video network terminal just initiates the live broadcast, so that the live broadcast information corresponding to the live broadcast releasing video network terminal can be stored in the live broadcast information database in an independent thread. If the live broadcast state is to stop releasing the live broadcast, the service server can know that the live broadcast initiated before is stopped by the live broadcast releasing video network terminal, so that the live broadcast information corresponding to the live broadcast releasing video network terminal can be searched in the independent thread from the stored live broadcast information in the live broadcast information database, and the searched live broadcast information is updated, for example, the found live broadcast state in the live broadcast information is updated to stop releasing the live broadcast.
If the service server analyzes the service operation instruction to obtain a live broadcast watching operation instruction, the service server can know that the video network terminal sending the service operation instruction is the video network terminal watching the live broadcast, so that target live broadcast information can be searched from the stored live broadcast information in an independent thread, and the target live broadcast information is returned to the video network terminal watching the live broadcast.
The process of searching the target live broadcast information from the stored live broadcast information may include: the service server can search the live broadcast information which is in the live broadcast state and is released from the live broadcast information stored in the live broadcast information database, and the live broadcast information is used as target live broadcast information. The service server can generate the target live broadcast information into a live broadcast list.
The process of returning the target live broadcast information to the video network terminal can comprise the following steps: the service server generates an information transmission instruction which is based on a video networking protocol and carries the target live broadcast information; and the service server calls a preset information transmission interface and sends the information transmission instruction to the video networking terminal.
In practical implementations, the service server may generate the information transmission instruction based on the internet of view 0x8785 transparent transmission protocol. The service operation code included in the information transmission instruction may be an operation code representing live broadcast watching, and may be, for example, 0x5321, which is the same as the service operation code in the above-mentioned live broadcast watching operation instruction.
In the embodiment of the present invention, an information transmission interface may be set on the service server, and may include an information receiving interface and an information sending interface. The interface is designed as follows:
receiving live broadcast information by void live resource _ Receive (agent 8 data)
VOID LIVERESOURCE _ TRANSMIT (U INT8 DATA) forwards live broadcast information
And receiving an information transmission instruction by the video network terminal watching the live broadcast, wherein the information transmission instruction is in the form of a video network protocol data packet. And the video network terminal watching the live broadcast performs operations such as decapsulation and the like on the video network terminal, reads the service operation code from the video network terminal, and can know that the service server returns target live broadcast information according to the service operation code. And the video network terminal watching the live broadcast reads the target live broadcast information from the information transmission instruction and can display the target live broadcast information on the application layer.
When the video network terminal for releasing the live broadcast releases the live broadcast, the live broadcast information and the live video stream can be sent to a video network server based on a video network protocol. After the user watching the live broadcast video network terminal sees the displayed target live broadcast information, the user can select the live broadcast information to be watched from the target live broadcast information, and the live broadcast information to be watched is sent to the video network server based on the video network protocol. The video network server can search the corresponding live video stream according to the received live information to be watched, which is sent by the video network terminal for watching the live broadcast, and carry out stream adjustment operation to send the searched live video stream to the video network terminal for watching the live broadcast. And the corresponding live video stream can be watched by the terminal watching the live video network.
In an optional implementation manner, the video networking server may send the live video stream to the video networking terminal viewing the live video according to a downlink communication link configured for the video networking terminal viewing the live video.
In practical applications, the video network is a network with a centralized control function, and includes a master control server and a lower level network device, where the lower level network device includes a terminal, and one of the core concepts of the video network is to configure a table for a downlink communication link of a current service by notifying a switching device by the master control server, and then transmit a data packet based on the configured table.
Namely, the communication method in the video network includes:
and the master control server configures the downlink communication link of the current service.
And transmitting the data packet of the current service sent by the source terminal (the video network terminal for releasing the live broadcast) to the target terminal (such as the video network terminal for watching the live broadcast) according to the downlink communication link.
In the embodiment of the present invention, configuring the downlink communication link of the current service includes: and informing the switching equipment related to the downlink communication link of the current service to allocate the table.
Further, transmitting according to the downlink communication link includes: the configured table is consulted, and the switching equipment transmits the received data packet through the corresponding port.
In particular implementations, the services include unicast communication services and multicast communication services. Namely, whether multicast communication or unicast communication, the core concept of the table matching-table can be adopted to realize communication in the video network.
As mentioned above, the video network includes an access network portion, in which the master server is a node server and the lower-level network devices include an access switch and a terminal.
For the unicast communication service in the access network, the step of configuring the downlink communication link of the current service by the master server may include the following steps:
and a substep S11, the main control server obtains the downlink communication link information of the current service according to the service request protocol packet initiated by the source terminal, wherein the downlink communication link information includes the downlink communication port information of the main control server and the access switch participating in the current service.
In the substep S12, the main control server sets a downlink port to which a packet of the current service is directed in a packet address table inside the main control server according to the downlink communication port information of the main control server; and sending a port configuration command to the corresponding access switch according to the downlink communication port information of the access switch.
In sub-step S13, the access switch sets the downstream port to which the packet of the current service is directed in its internal packet address table according to the port configuration command.
For a multicast communication service (e.g., video conference) in the access network, the step of the master server obtaining downlink information of the current service may include the following sub-steps:
in sub-step S21, the main control server obtains a service request protocol packet initiated by the target terminal and applying for the multicast communication service, where the service request protocol packet includes service type information, service content information, and an access network address of the target terminal.
Wherein, the service content information includes a service number.
And a substep S22, the main control server extracts the access network address of the source terminal in a preset content-address mapping table according to the service number.
In the substep of S23, the main control server obtains the multicast address corresponding to the source terminal and distributes the multicast address to the target terminal; and acquiring the communication link information of the current multicast service according to the service type information and the access network addresses of the source terminal and the target terminal.
In the embodiment of the invention, the service server stores the live broadcast information corresponding to the video network terminal for releasing the live broadcast, when the video network terminal for watching the live broadcast wants to watch the live broadcast, the corresponding live broadcast information can be obtained from the service server, and then the corresponding live broadcast is watched according to the live broadcast information, so that the video network terminals do not need to communicate in advance to obtain the live broadcast information of the opposite side, the process is simpler and more convenient, and the user experience is improved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Example two
Referring to fig. 6, a block diagram of an information processing apparatus according to a second embodiment of the present invention is shown. The information processing device of the embodiment of the invention can be applied to the video network, and the video network can comprise a service server and a video network terminal.
The information processing apparatus of the embodiment of the present invention may include the following modules located in the service server:
the service server comprises:
the analysis module 601 is configured to receive a service operation instruction based on a video networking protocol and sent by the video networking terminal, and analyze the service operation instruction;
a storing module 602, configured to store live broadcast information carried in the live broadcast issuing operation instruction if the service operation instruction obtained through analysis by the analyzing module is a live broadcast issuing operation instruction;
a returning module 603, configured to search target live broadcast information from the stored live broadcast information and return the target live broadcast information to the video network terminal if the service operation instruction obtained through analysis by the analyzing module is a live broadcast watching operation instruction.
In an alternative embodiment, the parsing module comprises: the first reading unit is used for reading the service operation code from the service operation instruction; the determining unit is used for determining that the service operation instruction is a live broadcast issuing operation instruction if the service operation code is an operation code representing live broadcast issuing; and if the service operation code is an operation code representing that the live broadcast is watched, determining that the service operation instruction is a live broadcast watching operation instruction.
In an optional embodiment, the live broadcast information includes a live broadcast status, and a live broadcast information database is further included in the video network; the saving module comprises: the second reading unit is used for reading the live broadcast state from the live broadcast issuing operation instruction; a writing unit, configured to write the live broadcast information into the live broadcast information database by the service server if the live broadcast status is that a live broadcast is being released; and the updating unit is used for updating the live broadcast state corresponding to the live broadcast information, which is stored in the live broadcast information database, by the service server if the live broadcast state is the release stop of the live broadcast.
In an alternative embodiment, the return module comprises: the generating unit is used for generating an information transmission instruction which is based on a video networking protocol and carries the target live broadcast information; and the sending unit is used for calling a preset information transmission interface and sending the information transmission instruction to the video networking terminal.
In an alternative embodiment, the live information includes a live status; the return module includes: and the searching unit is used for searching the live broadcast information of which the live broadcast state is the release live broadcast from the stored live broadcast information as target live broadcast information.
In the embodiment of the invention, the service server stores the live broadcast information corresponding to the video network terminal for releasing the live broadcast, when the video network terminal for watching the live broadcast wants to watch the live broadcast, the corresponding live broadcast information can be obtained from the service server, and then the corresponding live broadcast is watched according to the live broadcast information, so that the video network terminals do not need to communicate in advance to obtain the live broadcast information of the opposite side, the process is simpler and more convenient, and the user experience is improved.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The foregoing detailed description of an information processing method and an information processing apparatus according to the present invention has been presented, and the principles and embodiments of the present invention are explained herein by using specific examples, which are only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. An information processing method is applied to a video network, wherein the video network comprises a service server, a video network server and a video network terminal, and the method comprises the following steps:
the service server receives a service operation instruction which is sent by the video networking terminal and is based on a video networking protocol, and analyzes the service operation instruction; if the service server analyzes the service operation instruction to obtain a live broadcast issuing operation instruction, storing live broadcast information carried in the live broadcast issuing operation instruction; the live broadcast information comprises a live broadcast name and a video networking number of a video networking terminal; the service operation instruction comprises a live broadcast service operation instruction which is in a live broadcast state and is issued or a live broadcast service operation instruction which is in a live broadcast state and is stopped to be issued; the live broadcast issuing service operation instruction is generated when the video network terminal starts issuing the live broadcast, and the live broadcast issuing service operation instruction is generated when the video network terminal stops issuing the live broadcast;
if the service server analyzes the service operation instruction to obtain a live broadcast watching operation instruction, searching target live broadcast information from the stored live broadcast information, and returning the target live broadcast information to the video network terminal;
wherein the live broadcast information comprises a live broadcast state; the step of searching the target live broadcast information from the stored live broadcast information comprises the following steps:
the service server searches for live broadcast information in a live broadcast state of being released from stored live broadcast information as target live broadcast information;
the method further comprises the following steps:
when a video network terminal releasing live broadcast transmits the live broadcast information and a live broadcast video stream to the video network server based on a video network protocol;
a user of a video network terminal watching the live broadcast selects live broadcast information to be watched from the target live broadcast information; sending the live broadcast information to the video networking server based on a video networking protocol;
and the video network server searches a corresponding live video stream according to the received live information sent by the video network terminal for watching the live broadcast, performs stream adjustment operation, and transmits the searched live video stream to the video network terminal for watching the live broadcast.
2. The method of claim 1, wherein the step of parsing the service operation command comprises:
the service server reads a service operation code from the service operation instruction;
if the service operation code is an operation code representing the release of live broadcast, determining that the service operation instruction is a release live broadcast operation instruction;
and if the service operation code is an operation code representing that the live broadcast is watched, determining that the service operation instruction is a live broadcast watching operation instruction.
3. The method of claim 1, wherein the live information comprises a live status, and further comprising a live information database in the video network; the step of saving the live broadcast information carried in the live broadcast issuing operation instruction comprises the following steps:
the service server reads the live broadcast state from the live broadcast issuing operation instruction;
if the live broadcast state is that the live broadcast is being released, the service server writes the live broadcast information into the live broadcast information database;
and if the live broadcast state is the live broadcast stop, the service server updates the live broadcast state corresponding to the live broadcast information and stored in the live broadcast information database.
4. The method of claim 1, wherein the step of returning the target live broadcast information to the video network terminal comprises:
the service server generates an information transmission instruction which is based on a video networking protocol and carries the target live broadcast information;
and the service server calls a preset information transmission interface and sends the information transmission instruction to the video networking terminal.
5. An information processing device, wherein the device is applied to a video network, the video network comprises a service server, a video network server and a video network terminal, the service server comprises:
the analysis module is used for receiving a service operation instruction which is sent by the video networking terminal and is based on a video networking protocol, and analyzing the service operation instruction;
the storage module is used for storing live broadcast information carried in the live broadcast issuing operation instruction if the service operation instruction obtained by the analysis of the analysis module is a live broadcast issuing operation instruction; the live broadcast information comprises a live broadcast name and a video networking number of a video networking terminal; the service operation instruction comprises a live broadcast service operation instruction which is in a live broadcast state and is issued or a live broadcast service operation instruction which is in a live broadcast state and is stopped to be issued; the live broadcast issuing service operation instruction is generated when the video network terminal starts issuing the live broadcast, and the live broadcast issuing service operation instruction is generated when the video network terminal stops issuing the live broadcast;
the return module is used for searching target live broadcast information from the stored live broadcast information and returning the target live broadcast information to the video network terminal if the service operation instruction obtained by the analysis of the analysis module is a live broadcast watching operation instruction;
wherein the live broadcast information comprises a live broadcast state; the step of searching the target live broadcast information from the stored live broadcast information comprises the following steps:
the service server searches for live broadcast information in a live broadcast state of being released from stored live broadcast information as target live broadcast information;
the video network server comprises:
the first receiving module is used for receiving the live broadcast information and the live broadcast video stream which are sent based on the video networking protocol when the live broadcast is released by the video networking terminal for releasing the live broadcast;
the second receiving module is used for receiving live broadcast information which is selected to be watched by a user of a video network terminal for watching live broadcast from the target live broadcast information and sending the live broadcast information based on a video network protocol;
and the issuing module is used for searching a corresponding live video stream according to the received live information sent by the live video network watching terminal, carrying out stream adjusting operation and issuing the searched live video stream to the live video network watching terminal.
6. The apparatus of claim 5, wherein the parsing module comprises:
the first reading unit is used for reading the service operation code from the service operation instruction;
the determining unit is used for determining that the service operation instruction is a live broadcast issuing operation instruction if the service operation code is an operation code representing live broadcast issuing; and if the service operation code is an operation code representing that the live broadcast is watched, determining that the service operation instruction is a live broadcast watching operation instruction.
7. The apparatus of claim 5, wherein the live information comprises a live status, and further comprising a live information database in the video network; the saving module comprises:
the second reading unit is used for reading the live broadcast state from the live broadcast issuing operation instruction;
a writing unit, configured to write the live broadcast information into the live broadcast information database by the service server if the live broadcast status is that a live broadcast is being released;
and the updating unit is used for updating the live broadcast state corresponding to the live broadcast information, which is stored in the live broadcast information database, by the service server if the live broadcast state is the release stop of the live broadcast.
8. The apparatus of claim 5, wherein the return module comprises:
the generating unit is used for generating an information transmission instruction which is based on a video networking protocol and carries the target live broadcast information;
and the sending unit is used for calling a preset information transmission interface and sending the information transmission instruction to the video networking terminal.
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| CN111147276B (en) * | 2019-11-19 | 2023-09-26 | 视联动力信息技术股份有限公司 | Remote management method, device, electronic equipment and storage medium |
| CN111277873B (en) * | 2020-01-17 | 2022-11-01 | 视联动力信息技术股份有限公司 | Service menu updating method and device and readable storage medium |
| CN111338744B (en) | 2020-05-22 | 2020-08-14 | 北京小米移动软件有限公司 | Image display method and device, electronic device and storage medium |
| CN111953584B (en) * | 2020-08-21 | 2021-06-29 | 北京一起教育信息咨询有限责任公司 | Method and system for optimizing real-time message channel flow |
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